(Q2344088)

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Chen prime

prime number p where p+2 is prime or semiprime

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\sigma _{0}(p)=2\land \sigma _{0}(p+2)\leq 4\land \not \exists a\in \mathbb {Z} \colon a^{3}=p+2

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in defining formula

\sigma _{0}

symbol represents

number of divisors

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p

symbol represents

Chen prime

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maintained by WikiProject

WikiProject Mathematics

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28 October 2013

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imported from Wikimedia project

English Wikipedia

Microsoft Academic ID

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Definition:Chen_Prime

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(Q2344088)

Chen prime

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